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Linux administrator

Location:
Upper Marlboro, Maryland, 20772, United States
Posted:
October 30, 2016

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UMA, AWA K.

(323) ***-**** acxa3e@r.postjobfree.com

Profile

Self-motivated Systems Administrator with over 4+ years working with Linux operating systems such as RedHat Linux, CentOS and Ubuntu contributing innovative methodologies and alternatives to the growth of the company having excellent client relation skills and drive to complete tasks effectively and efficiently. With my target driven nature, and ability to perform well with or without supervision, I have developed an efficient and effective work culture and believe I am capable of handling situations in the best way possible. I work effectively using my own initiative and have a flair for multitasking.

Key Skills

•Proficient in using Microsoft Office Suite, windows 7/10

•HP Proliant DL580 G7, DL380 G6, DL960 G7, Dell PowerEdge R920, R720, R610

•Bash, Puppet

•AWS, VMware ESXi 5/6, KVM, Nagios, MySQL

•Excellent at problem resolution

•Self-starter

•Deadline-oriented

•Excellent in vendor negotiations

•Excellent numeracy skills

•TCP/IP, OSI Model, DNS, DHCP, SSH, TCP/IP, NFS, VPN

Experience

Nov. 2012 – Present

IX-Solutions, LLC

Largo, MD

Linux Systems Administrator

•Responsible for installation, configuration and maintenance of RedHat 6/7 on Dell PowerEdge 2950 and R series and HP G series

•Handling the day-to-day operations, install software, apply patches, manage filesystems, monitoring performance and troubleshoot alerts

•Used configuration management tools like puppet and RedHat satellite

•Tested puppet enterprise in lab environment and successfully set up node communication

•Worked on customer SLAs to meet the required expectations on Linux servers

•Building and configuring RedHat systems over the network, implement automated tasks through cron jobs, resolving tickets according to the priority basis

•Allocating and managing disk space for development servers depend on their requirement

•Creation and resizing of Logical Volumes (LVM) for Linux operating system

•Monitor system activities like CPU, memory, Disk and Swap space usage to avoid any performance issues

•Participate in 24x7 on-call support personnel in debugging

•User Administration (setup and maintaining accounts)

•Installation of patches and packages using RPM and yum in RedHat Linux

•Regularly manage backup process for server and client data

•Troubleshooting OS/Hardware related issues and monitor server health on a day-to-day basis

•Maintained maximum uptime and high performance for Enterprise Production, Development, and QA environment servers

•Worked on installing and configuring puppet and creating manifests for new server and pushing them to servers using modules

•Configuring SUDO and granting root permission to backup Admins/DBAs to perform root related activities

•Configure Linux kickstart on multiple servers for network installation

•Prepare technical documentation for all set up and configuration steps

•Create and change passwords for users needing access to servers for specific uses

•Good understanding of networking protocols such as TCP/IP, NFS, SFTP, SMTP, SSH, DNS, SSL/TLS and LDAP

•Create and monitor for active tickets periodically in Remedy ticketing system for any new tickets or existing ones

•Monitor system performance using sar, vmstat, iostat, netstat and nagios

•Worked with open system network securities like iptables

•Utilize open source application glpi to work on Change Request, Service Request, problem management, creating tickets and inventory

•Installed Apache 2.4.x from source and configured vHosts

•Created EC2 instance in the cloud (AWS)

•Understanding of Access Management (IAM), S3 bucket, CloudWatch and Security Groups

Oct. 2008 – Sept. 2011

Erosoft Technologies Ltd.

Lagos, Nigeria

Business Development Manager

•Created presentations for high-level clients

•Developed marketing plans to promote the company's services

•Introduced new clients and vendors to the company, and increased sales among existing clients

•Assisted with updating and creating policies and procedures for the company

•Provided excellent customer service to homeowners & prospective buyers

•Supervised the day-to-day operations on site

•Coordinated the work of the various contractors

•Resolved client conflicts and other issues on the site

•Approved payments to vendors after the completion of contracted work

•Arranged and coordinated the security for the work site

Education

2001-2006

University of Ibadan

Nigeria

Bachelor of Science, Statistics

Professional Certifications

•Oracle Database 9i & 10g Administrator Certified Associate (July 2009)



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